Comment 0 for bug 759103

Can not boot with acpi on and kernel 2.6.38-8.42 on a natty beta fresh install.
Boot is regular with acpi=off option.

This bug is intended as regression because with previously maverick kernel i had no problem.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-8-generic 2.6.38-8.42
Regression: Yes
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: nvidia
AcpiTables:
 Error: command ['gksu', '-D', 'Apport', '--', '/usr/share/apport/dump_acpi_tables.py'] failed with exit code 1: dump_acpi_tables('/sys/firmware/acpi/tables', sys.stdout)
   File "/usr/share/apport/dump_acpi_tables.py", line 43, in dump_acpi_tables
     tables = os.listdir(path)
 OSError: [Errno 2] No such file or directory: '/sys/firmware/acpi/tables'
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: hayabusa 1820 F.... pulseaudio
 /dev/snd/pcmC0D0p: hayabusa 1820 F...m pulseaudio
 /dev/snd/timer: hayabusa 1820 f.... pulseaudio
CRDA: Error: [Errno 2] File o directory non esistente
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf7ff4000 irq 42'
   Mixer name : 'Realtek ALC888'
   Components : 'HDA:10ec0888,10250389,00100202'
   Controls : 35
   Simple ctrls : 20
Card1.Amixer.info:
 Card hw:1 'Cable'/'USB Midi Cable at usb-0000:00:1a.0-1.3, full speed'
   Mixer name : 'USB Mixer'
   Components : 'USB15ca:0101'
   Controls : 0
   Simple ctrls : 0
Card1.Amixer.values:

Date: Tue Apr 12 21:16:54 2011
HibernationDevice: RESUME=UUID=2b0abe68-3013-495c-aa9c-fc45ceb318b6
MachineType: Acer Aspire M7811
ProcEnviron:
 LANGUAGE=it_IT:en
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=5e36380e-c6b3-41f6-8140-e5a4b1fab8ec ro quiet splash acpi=off vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-2.6.38-8-generic N/A
 linux-backports-modules-2.6.38-8-generic N/A
 linux-firmware 1.50
RfKill:
 0: phy0: Wireless LAN
  Soft blocked: no
  Hard blocked: no
SourcePackage: linux
StagingDrivers: rt2860sta
Title: [STAGING]
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/31/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P01-A3
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: H57M01
dmi.board.vendor: Acer
dmi.chassis.type: 3
dmi.chassis.vendor: Acer
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP01-A3:bd12/31/2009:svnAcer:pnAspireM7811:pvr:rvnAcer:rnH57M01:rvr:cvnAcer:ct3:cvr:
dmi.product.name: Aspire M7811
dmi.sys.vendor: Acer